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#7 misfire on 07 silverado

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Old December 29th, 2014, 6:22 PM
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Angry #7 misfire on 07 silverado
PO307 comes up so i change the plugs and wires, reset the codes then take it for a ride....2 miles later the flashing light comes on again for a half a mile then just stays on solid? still getting the same code po307 but its no longer flashing? has anyone seen this before? 07 silverado 5.3 4WD flex thank you
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Old December 29th, 2014, 7:30 PM
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cambiar bobinas y medir presion de cilindros
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Old December 30th, 2014, 10:18 AM
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Probably need a new coil. That happened to me on #5.
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Old December 30th, 2014, 10:48 AM
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thank you....... im gonna try the new coil
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